Home / 278,400,892.32-384,106,555.44-160,883,409.60

Finding the Fourth Proportional to 278,400,892.32, 384,106,555.44 and 160,883,409.60

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Solution

The fourth proportional to 278,400,892.32, 384,106,555.44 and 160,883,409.60 is: 221,969,016.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,400,892.32 : 384,106,555.44 = 160,883,409.60 : x
  2. Step 2: Convert to fraction form
    278,400,892.32/384,106,555.44 = 160,883,409.60/x
  3. Step 3: Cross multiply
    278,400,892.32x = 384,106,555.44 × 160,883,409.60
  4. Step 4: Simplify right side
    278,400,892.32x = 61,796,372,288,898,624
  5. Step 5: Solve for x
    x = 61,796,372,288,898,624/278,400,892.32
  6. Step 6: Final answer
    x = 221,969,016.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.